Refrigerant treatment device

Abstract

The utility model belongs to the technical field of new energy automobiles, and discloses a refrigerant processing device. The refrigerant treatment device comprises a shell, a liquid baffle, a gas-liquid separation pipe, a liquid storage pipe and a drying piece. The shell is provided with a working cavity, a gas-liquid separation refrigerant inlet and a liquid storage refrigerant inlet which are communicated with the working cavity are formed in the shell, the liquid baffle is installed in the working cavity, a circulation gap is formed between the liquid baffle and the inner side wall of the working cavity, the gas-liquid separation pipe is installed in the working cavity, the liquid storage pipe is installed in the working cavity, and the drying piece is arranged in the working cavity. And the baffle plate is positioned below the liquid baffle plate. According to the refrigerant treatment device, the liquid storage pipe and the gas-liquid separation pipe are integrated in the shell, so that the structure is compact, the space is remarkably saved, the cost is effectively reduced, meanwhile, the assembly process is greatly simplified, and the assembly convenience is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to new energy automobile technical field especially, relates to a refrigerant treatment device. BACKGROUND

[0002] At present, the heat pump system of new energy automobile is for the refrigerant charging demand under different modes, and has to configure two parts of dry liquid storage device and gas-liquid separator. However, this layout mode has obvious disadvantages: not only occupies a large amount of space, greatly improves equipment cost, but also the installation process is complex, and brings many inconvenience to actual operation.

[0003] Therefore, it is urgent to provide a structure capable of integrating dry liquid storage device and gas-liquid separator, realizing compact structure, saving workpiece, simplifying assembly process and reducing manufacturing cost. UTILITY MODEL CONTENT

[0004] The utility model discloses a refrigerant treatment device, which integrates a liquid storage pipe and a gas-liquid separation pipe inside the shell, can realize dry liquid storage function and gas-liquid separation function, realizes compact structure, significantly saves space, effectively reduces cost, greatly simplifies assembly process and improves assembly convenience.

[0005] To achieve this purpose, the utility model adopts the following technical scheme:

[0006] The utility model discloses a refrigerant treatment device, which includes: a shell, the shell has a working cavity, and a gas separation refrigerant inlet and a liquid storage refrigerant inlet are arranged on the shell and communicated with the working cavity; a liquid baffle, the liquid baffle is installed in the working cavity, a flow gap is formed between the liquid baffle and the inner side wall of the working cavity, the gas separation refrigerant inlet and the liquid storage refrigerant inlet are located above the liquid baffle; a gas-liquid separation pipe, the gas-liquid separation pipe is installed in the working cavity, a gas-liquid separation outlet of the gas-liquid separation pipe is communicated with the external environment, a gas-liquid separation inlet of the gas-liquid separation pipe is located below the liquid baffle; a liquid storage pipe, the liquid storage pipe is installed in the working cavity, a liquid storage outlet of the liquid storage pipe is communicated with the external environment, a liquid storage inlet of the liquid storage pipe is located below the gas-liquid separation inlet; a drying piece, the drying piece is arranged in the working cavity and located below the liquid baffle.

[0007] In some embodiments, the gas-liquid separation inlet is arranged near the top of the working cavity, and the liquid storage inlet is arranged near the bottom of the working cavity.

[0008] In some embodiments, the liquid baffle comprises a baffle portion and a folded edge portion, the baffle portion is mounted to the shell and corresponds to the gas-phase refrigerant inlet and the liquid-phase refrigerant inlet, the folded edge portion is mounted to at least one end of the baffle portion and extends towards the bottom wall of the working chamber.

[0009] In some embodiments, the gas-liquid separation pipe is further provided with a gas-phase oil return hole, the gas-phase oil return hole is located below the gas-liquid separation outlet and the gas-liquid separation inlet.

[0010] In some specific embodiments, the gas-liquid separation pipe comprises a first pipe segment, a second pipe segment and a third pipe segment connected in sequence, the drying element is arranged between the first pipe segment and the third pipe segment, and the second pipe segment is provided with the gas-phase oil return hole.

[0011] In some specific embodiments, the refrigerant processing device further comprises a first filter unit, the first filter unit is mounted to the gas-liquid separation pipe and is arranged correspondingly to the gas-phase oil return hole.

[0012] In some embodiments, the shell comprises a bottom shell and a head, one end of the bottom shell is open, and the head is mounted to the open end of the bottom shell.

[0013] In some specific embodiments, the gas-phase refrigerant inlet and the liquid-phase refrigerant inlet are arranged on the head, the head and / or the inner side wall of the bottom shell are provided with a first plug hole and a second plug hole, one end of the gas-liquid separation pipe forming the gas-liquid separation outlet is plugged into the first plug hole, and one end of the liquid storage pipe forming the liquid storage outlet is plugged into the second plug hole.

[0014] In some more specific embodiments, at least one of the gas-liquid separation pipe and the liquid storage pipe is connected to the liquid baffle through the liquid baffle; or;

[0015] The gas-liquid separation pipe and the liquid storage pipe are both located below the liquid baffle, the liquid baffle is spaced apart from the inner side wall of the working chamber along both ends of the length direction of the liquid baffle, and the liquid baffle is connected to the inner side wall of the working chamber along both ends of the width direction of the liquid baffle.

[0016] In some embodiments, the refrigerant processing device further comprises a second filter unit, the second filter unit is mounted to the liquid storage inlet of the liquid storage pipe.

[0017] The refrigerant processing device has the advantages that the liquid baffle, the gas-liquid separation pipe, the liquid storage pipe and the drying piece are arranged in the working cavity, the gas separation refrigerant inlet and the liquid storage refrigerant inlet which are in communication with the working cavity are arranged on the shell, the liquid storage pipe and the gas-liquid separation pipe are integrated in the shell, the drying and liquid storage functions and the gas-liquid separation function are realized, the structure is compact, the space is saved, the cost is reduced, the assembly process is simplified, the assembly convenience is improved, and the problems of large occupied space and high cost caused by simultaneously arranging the drying liquid storage device and the gas-liquid separator in the air conditioning system are solved.

[0018] Additional aspects and advantages of the present application will be given in part in the following description, become apparent from the following description, or be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a structural schematic view of the refrigerant processing device of the present application embodiment one;

[0020] Figure 2 is a state diagram of the refrigerant processing device of the present application embodiment one for realizing the drying and liquid storage function;

[0021] Figure 3 is a state diagram of the refrigerant processing device of the present application embodiment one for realizing the gas-liquid separation function;

[0022] Figure 4 is a structural schematic view of the refrigerant processing device of the present application embodiment two.

[0023] REFERENCE SIGNS:

[0024] 100, shell; 101, working cavity; 1011, gas separation refrigerant inlet; 1012, liquid storage refrigerant inlet; 102, first plug hole; 103, second plug hole; 110, bottom shell; 120, end cover;

[0025] 200, liquid baffle; 201, flow gap; 210, baffle part; 220, folded edge part;

[0026] 300, gas-liquid separation pipe; 310, first pipe section; 311, gas-liquid separation outlet; 320, second pipe section; 321, gas separation oil return hole; 330, third pipe section; 331, gas-liquid separation inlet;

[0027] 400, liquid storage pipe; 410, liquid storage inlet; 420, liquid storage outlet;

[0028] 500, drying piece;

[0029] 600, the first filtering unit;

[0030] 700, the second filtering unit. DETAILED DESCRIPTION

[0031] The utility model will be further explained in detail below in combination with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the utility model, and not to limit the utility model. In addition, it should be noted that, in order to facilitate the description, only the part related to the utility model is shown in the drawings, not all structures.

[0032] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixed connection, can also be detachable connection, or be integrated, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through intermediate medium, can be the communication of two elements or the interaction of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0033] In the description of the embodiment, the orientation or position relationship of the terms "upper", "lower", "left", "right", "front", "back" and the like is based on the orientation or position relationship shown in the drawings, only for facilitating the description and simplifying the operation, and not indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as the limitation of the utility model. In addition, the terms "first", "second" are only used to distinguish in the description, and have no special meaning.

[0034] Embodiment one:

[0035] The utility model discloses a refrigerant processing device, refer to Figure 1As shown, the refrigerant processing device of the embodiment includes a shell 100, a liquid blocking plate 200, a gas-liquid separation pipe 300, a liquid storage pipe 400, and a drying element 500. The shell 100 has a working cavity 101, and the shell 100 is provided with a gas separated refrigerant inlet 1011 and a liquid storage refrigerant inlet 1012 which are in communication with the working cavity 101. The liquid blocking plate 200 is installed in the working cavity 101, and the liquid blocking plate 200 has a flow gap 201 between the inner side wall of the working cavity 101. The gas separated refrigerant inlet 1011 and the liquid storage refrigerant inlet 1012 are located above the liquid blocking plate 200. The gas-liquid separation pipe 300 is installed in the working cavity 101, and a gas-liquid separation outlet 311 of the gas-liquid separation pipe 300 is in communication with the external environment. A gas-liquid separation inlet 331 of the gas-liquid separation pipe 300 is located below the liquid blocking plate 200. The liquid storage pipe 400 is installed in the working cavity 101, and a liquid storage outlet 420 of the liquid storage pipe 400 is in communication with the external environment. A liquid storage inlet 410 of the liquid storage pipe 400 is located below the gas-liquid separation inlet 331. The drying element 500 is arranged in the working cavity 101 and located below the liquid blocking plate 200.

[0036] It can be understood that, in actual work, the refrigerant processing device can realize both the functions of drying and liquid storage and the function of gas-liquid separation. Specifically, the process of realizing the function of drying and liquid storage is described below. Figure 2 As shown, the high-temperature and high-pressure refrigerant after condensation enters the working cavity 101 inside the shell 100 from the liquid storage refrigerant inlet 1012 and flows onto the liquid blocking plate 200. The refrigerant is dispersed under the action of the liquid blocking plate 200 and then flows downward. The drying element 500 arranged in the working cavity 101 can dry the moisture in the refrigerant. The liquid refrigerant is deposited at the bottom of the working cavity 101 and then flows out through the liquid storage outlet 420 of the liquid storage pipe 400. The liquid outlet of the liquid storage pipe 400 can be connected to other components of the air conditioning system, such as an evaporator. It should be noted that, when the refrigerant processing device performs the drying and liquid storage operation, the inside of the shell 100 is in a high-pressure state (the refrigerant is in a high-pressure state), and the gas-liquid separation outlet 311 of the gas-liquid separation pipe 300 and the gas separated refrigerant inlet 1011 are closed (the closing mode can be that a position control valve is arranged between the gas-liquid separation outlet 311 and the gas separated refrigerant inlet 1011, and the closing is realized by adjusting the state of the control valve). At this time, the refrigerant can only flow out from the liquid storage pipe 400, realizing the function of drying and liquid storage.

[0037] The process of realizing the function of gas-liquid separation is described below. Figure 3As shown, the evaporated gas-liquid mixed state refrigerant from the gas separation refrigerant inlet 1011 enters the working cavity 101 inside the shell 100, and flows to the liquid blocking plate 200. The refrigerant is dispersed under the action of the liquid blocking plate 200 and then flows downward. The drying piece 500 dries the moisture in the refrigerant. The liquid refrigerant drops to the bottom of the shell 100, and the gaseous refrigerant in the upper part of the shell 100 flows out through the gas-liquid separation pipe 300. The gas-liquid separation outlet 311 of the gas-liquid separation pipe 300 is connected to other parts of the air conditioning system, such as the compressor. It should be noted that when the refrigerant treatment device performs the gas-liquid separation operation, the inside of the shell 100 is in a low pressure state (the refrigerant is in a low pressure state), at this time, the liquid storage refrigerant inlet 1012 and the liquid outlet of the liquid storage pipe 400 are closed (the closed mode can be set by installing a control valve at the position of the liquid storage outlet 420 and the liquid storage refrigerant inlet 1012, and the closed state is realized by adjusting the control valve), and the refrigerant can only flow out from the gas-liquid separation pipe 300, realizing the gas-liquid separation function.

[0038] In summary, the refrigerant treatment device integrates the liquid storage pipe 400 and the gas-liquid separation pipe 300 inside the shell 100, realizes the compactness of the structure, significantly saves space, effectively reduces the cost, greatly simplifies the assembly process, improves the assembly convenience, and effectively solves the problem of large space occupation and high cost caused by simultaneously arranging the drying liquid storage device and the gas-liquid separator in the air conditioning system. In addition, by setting the liquid blocking plate 200, the flow path of the refrigerant in the working cavity 101 is more reasonable, and the practicability is stronger.

[0039] Reference Figures 1-3 As shown, the gas-liquid separation inlet 331 is arranged near the top of the working cavity 101, and the liquid storage inlet 410 is arranged near the bottom of the working cavity 101. It can be understood that in the process of realizing the drying and liquid storage function, the liquid refrigerant is deposited at the bottom of the working cavity 101 and flows out from the liquid storage outlet 420 of the liquid storage pipe 400. Arranging the liquid storage inlet 410 near the bottom of the working cavity 101 can facilitate the liquid refrigerant to enter the liquid storage pipe 400 from the liquid storage inlet 410, thereby facilitating the outflow of the liquid refrigerant. In the process of realizing the gas-liquid separation function, the liquid refrigerant drops to the bottom of the shell 100, and the gaseous refrigerant is gathered in the upper part of the shell 100. The gas-liquid separation inlet 331 is arranged near the top of the working cavity 101, which can facilitate the gaseous refrigerant to enter the gas-liquid separation pipe 300 from the gas-liquid separation inlet 331 and flow out from the gas-liquid separation outlet 311.

[0040] Reference Figures 1-3As shown, the liquid baffle 200 includes a baffle portion 210 and a folded edge portion 220, the baffle portion 210 is installed on the shell 100 and corresponds to the gas separated refrigerant inlet 1011 and the liquid stored refrigerant inlet 1012, and the folded edge portion 220 is installed on at least one end of the baffle portion 210 and is arranged extending towards the bottom wall of the working cavity 101. It can be understood that, on the one hand, the baffle portion 210 of the liquid baffle 200 can disperse the refrigerant flowing into the working cavity 101 from the gas separated refrigerant inlet 1011 or the liquid stored refrigerant inlet 1012, so that the refrigerant is fully contacted with the drying piece 500, and the drying effect is improved; on the other hand, the baffle portion 210 can be blocked above the gas-liquid separation inlet 331 of the gas-liquid separation pipe 300, so as to avoid that the refrigerant flowing from the gas separated refrigerant inlet 1011 or the liquid stored refrigerant inlet 1012 directly enters the gas-liquid separation pipe 300 from the gas-liquid separation inlet 331 of the gas-liquid separation pipe 300. The folded edge portion 220 extending towards the bottom of the working cavity 101 can play a flow guiding role, buffers the refrigerant, avoids the refrigerant flowing too fast, and thus facilitates to realize the gas-liquid separation function and the liquid storage and drying function.

[0041] Optionally, the bottom end of the folded edge portion 220 is lower than the gas-liquid separation inlet 331 of the gas-liquid separation pipe 300. Thus, it can be avoided that the folded edge portion 220 affects the gaseous refrigerant entering the gas-liquid separation pipe 300 from the gas-liquid separation inlet 331.

[0042] Reference Figures 1-3 As shown, the gas-liquid separation pipe 300 is also provided with a gas separated oil return hole 321, and the gas separated oil return hole 321 is located below the gas-liquid separation outlet 311 and the gas-liquid separation inlet 331. It can be understood that, in the actual working process, the refrigerant flowing into the working cavity 101 from the gas separated refrigerant inlet 1011 and the liquid stored refrigerant inlet 1012 carries the lubricating oil, and the bottom of the working cavity 101 is a mixture of the lubricating oil and the liquid refrigerant. The added gas separated oil return hole 321 is immersed in the mixture, and the high-speed refrigerant gas in the gas-liquid separation pipe 300 can carry the mixture (lubricating oil and gaseous refrigerant) of the gas separated oil return hole 321 back to the compressor, so as to realize the recycling use of the lubricating oil.

[0043] Optionally, the gas-liquid separation pipe 300 comprises a first pipe section 310, a second pipe section 320 and a third pipe section 330 connected in sequence, the drying piece 500 is arranged between the first pipe section 310 and the third pipe section 330, and the second pipe section 320 is provided with a gas separation oil return hole 321. It can be understood that the gas-liquid separation pipe 300 is formed into a U-shaped pipe composed of the first pipe section 310, the second pipe section 320 and the third pipe section 330, so that the flow path of the refrigerant in the gas-liquid separation pipe 300 is increased. If the refrigerant entering the gas-liquid separation pipe 300 also contains liquid refrigerant, the longer flow path can also help the gas-liquid separation, so that the content of the liquid refrigerant flowing out from the gas-liquid separation outlet 311 of the gas-liquid separation pipe 300 is greatly reduced, and the gas-liquid separation effect of the refrigerant treatment device is improved. Of course, in other embodiments of the present application, the shape of the gas-liquid separation pipe 300 is not limited to a U-shaped pipe, but can also be an I-shaped pipe or other shaped pipe.

[0044] Optionally, the refrigerant treatment device further comprises a first filter unit 600, which is installed on the gas-liquid separation pipe 300 and arranged correspondingly to the gas separation oil return hole 321. It can be understood that the first filter unit 600 is arranged at the gas separation oil return hole 321, which can filter the mixture of lubricating oil and liquid refrigerant entering the gas-liquid separation pipe 300. The mixture first passes through the first filter unit 600 and then enters the gas-liquid separation pipe 300. The specific type and filtering parameters of the first filter unit 600 can be selected according to actual needs, and the type and filtering parameters of the first filter unit 600 are not limited herein.

[0045] Optionally, the drying piece 500 can be a molecular sieve bag. After the refrigerant flows into the working cavity 101 of the shell 100 from the gas separation refrigerant inlet 1011 or the liquid storage refrigerant inlet, it is dried by the molecular sieve bag, which can ensure the drying effect. Of course, in other embodiments of the present application, the drying piece 500 can also be selected according to actual needs.

[0046] Optionally, the refrigerant treatment device further comprises a second filter unit 700, which is installed on the liquid storage inlet 410 of the liquid storage pipe 400. It can be understood that the added second filter unit 700 can filter the liquid refrigerant entering the liquid storage pipe 400 from the working cavity 101, filter out the impurities in the liquid refrigerant, and avoid damage to the air conditioning system. The specific type and filtering parameters of the second filter unit 700 can be selected according to actual needs, and the type and filtering parameters of the second filter unit 700 are not limited herein.

[0047] Reference Figures 1-3As shown, the shell 100 comprises a bottom shell 110 and a head 120, the bottom shell 110 is provided with an open end, and the head 120 is mounted on the open end of the bottom shell 110. It can be understood that the shell 100 is divided into two parts of the bottom shell 110 and the head 120, and in the actual working process, the liquid baffle 200, the gas-liquid separation pipe 300 and the liquid storage pipe 400 can be first mounted in the bottom shell 110, and then the head 120 is sealingly connected to the open end of the shell 100, which is very convenient to operate. It should be noted that the sealing connection form of the bottom shell 110 and the head 120 can be a non-detachable connection mode such as welding and bonding, or a detachable connection mode such as a connecting piece connection or a buckle connection, and the specific sealing connection form of the bottom shell 110 and the head 120 can be selected according to actual needs, and the specific sealing connection form of the bottom shell 110 and the head 120 is not limited here.

[0048] Optionally, the gas refrigerant inlet 1011 and the liquid storage refrigerant inlet 1012 are arranged on the head 120, the head 120 is provided with a first plug-in hole 102 and a second plug-in hole 103, one end of the gas-liquid separation pipe 300 forming the gas-liquid separation outlet 311 is plugged into the first plug-in hole 102, and one end of the liquid storage pipe 400 forming the liquid storage outlet 420 is plugged into the second plug-in hole 103.

[0049] Optionally, the gas-liquid separation pipe 300 and the liquid storage pipe 400 are both connected to the liquid baffle 200. It can be understood that the gas-liquid separation pipe 300 and the liquid storage pipe 400 are both connected to the liquid baffle 200, and the gas-liquid separation pipe 300 and the liquid storage pipe 400 can be used as support components of the liquid baffle 200, that is, in the assembly process, the gas-liquid separation pipe 300 and the liquid storage pipe 400 are inserted through the liquid baffle 200, and then fixed by bonding or welding at the connection position. Thus, the liquid baffle 200 does not need to be connected to the shell 100, further simplifying the assembly of the refrigerant treatment device.

[0050] Embodiment two:

[0051] Reference Figure 4 As shown, the refrigerant treatment device of the present embodiment is substantially the same as that of Embodiment one, except that in the present embodiment, the head 120 is provided with a first plug-in hole 102, the bottom wall of the bottom shell 110 is provided with a second plug-in hole 103, the gas-liquid separation pipe 300 is inserted through the liquid baffle 200, and one end of the gas-liquid separation pipe 300 forming the gas-liquid separation outlet 311 is plugged into the first plug-in hole 102, and one end of the liquid storage pipe 400 forming the liquid storage outlet 420 is plugged into the second plug-in hole 103.

[0052] Of course, it needs to be additionally explained here that in other embodiments of the utility model, the second plug hole 103 can also be arranged on the head 120, and the first plug hole 102 can be arranged on the bottom wall or the side wall of the bottom shell 110; the first plug hole 102 and the second plug hole 103 can also be arranged on the bottom wall or the side wall of the bottom shell 110 respectively. That is to say, in the embodiments of the utility model, the position of the liquid separation outlet of the gas-liquid separation pipe 300 on the shell 100 can be arranged as required, and the gas-liquid separation outlet 311 can be arranged on the top of the shell 100, or arranged on the bottom or the side wall of the shell 100. The position of the liquid storage outlet 420 of the liquid storage pipe 400 on the shell 100 can be arranged as required, and the liquid storage outlet 420 of the liquid storage pipe 400 can be arranged on the top of the shell 100, or arranged on the bottom of the shell 100, or arranged on the side wall of the shell 100.

[0053] It needs to be additionally explained that when the gas-liquid separation pipe 300 and the liquid storage pipe 400 are both located below the liquid blocking plate 200, the gas-liquid separation pipe 300 and the liquid storage pipe 400 cannot serve as the support structure of the liquid blocking plate 200, and at this time, the installation of the liquid blocking plate 200 in the working cavity 101 is realized by adopting the mode that the two ends of the liquid blocking plate 200 along the length direction are arranged at intervals with the inner side wall of the working cavity 101, and the two ends of the liquid blocking plate 200 along the width direction are connected with the inner side wall of the working cavity 101.

[0054] In the description of the present specification, the description referring to the terms "some embodiments", "other embodiments", and the like means that the specific features, structures, materials or characteristics described in connection with the embodiments or examples are included in at least one embodiment or example of the utility model. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0055] Obviously, the above embodiments of the utility model are only for clear illustration of the utility model, and are not a limitation on the implementation mode of the utility model. For ordinary skilled persons in the art, various obvious changes, re-adjustments and replacements can be made without departing from the protection scope of the utility model. Here, it is not necessary and impossible to exhaust all the implementation modes. Any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model claim.

Claims

1. A refrigerant handling device, characterized in that, include: The housing (100) has a working chamber (101) and is provided with a gas-separated refrigerant inlet (1011) and a liquid-storage refrigerant inlet (1012) communicating with the working chamber (101); A baffle plate (200) is installed in the working chamber (101). A flow gap (201) is formed between the baffle plate (200) and the inner wall of the working chamber (101). The gas-separated refrigerant inlet (1011) and the liquid-storing refrigerant inlet (1012) are located above the baffle plate (200). A gas-liquid separation pipe (300) is installed in the working chamber (101). The gas-liquid separation outlet (311) of the gas-liquid separation pipe (300) is connected to the external environment, and the gas-liquid separation inlet (331) of the gas-liquid separation pipe (300) is located below the baffle plate (200). A liquid storage tube (400) is installed in the working chamber (101). The liquid storage outlet (420) of the liquid storage tube (400) is connected to the external environment, and the liquid storage inlet (410) of the liquid storage tube (400) is located below the gas-liquid separation inlet (331). A drying element (500) is disposed in the working chamber (101) and located below the baffle plate (200).

2. The refrigerant handling apparatus according to claim 1, characterized in that, The gas-liquid separation inlet (331) is located near the top of the working chamber (101), and the liquid storage inlet (410) is located near the bottom of the working chamber (101).

3. The refrigerant handling apparatus according to claim 1, characterized in that, The baffle plate (200) includes a baffle portion (210) and a folded edge portion (220). The baffle portion (210) is installed on the housing (100) and corresponds to the gas-separated refrigerant inlet (1011) and the liquid-storage refrigerant inlet (1012). The folded edge portion (220) is installed at at least one end of the baffle portion (210) and extends toward the bottom wall of the working chamber (101).

4. The refrigerant handling apparatus according to claim 1, characterized in that, The gas-liquid separation pipe (300) is also provided with a gas separation oil return hole (321), which is located below the gas-liquid separation outlet (311) and the gas-liquid separation inlet (331).

5. The refrigerant handling apparatus according to claim 4, characterized in that, The gas-liquid separation pipe (300) includes a first pipe section (310), a second pipe section (320) and a third pipe section (330) connected in sequence. The drying element (500) is disposed between the first pipe section (310) and the third pipe section (330), and the second pipe section (320) is provided with the gas-liquid return oil hole (321).

6. The refrigerant handling apparatus according to claim 5, characterized in that, It also includes a first filter unit (600), which is installed on the gas-liquid separation pipe (300) and is correspondingly arranged with the gas-oil return hole (321).

7. The refrigerant handling apparatus according to any one of claims 1-6, characterized in that, The outer casing (100) includes a bottom shell (110) and a head (120), one end of the bottom shell (110) being open, and the head (120) being installed at the open end of the bottom shell (110).

8. The refrigerant handling apparatus according to claim 7, characterized in that, The gas-separated refrigerant inlet (1011) and the liquid-storage refrigerant inlet (1012) are both located on the end cap (120). The end cap (120) and / or the inner wall of the bottom shell (110) are provided with a first insertion hole (102) and a second insertion hole (103). One end of the gas-liquid separation pipe (300) forming the gas-liquid separation outlet (311) is inserted into the first insertion hole (102), and one end of the liquid storage pipe (400) forming the liquid storage outlet (420) is inserted into the second insertion hole (103).

9. The refrigerant handling apparatus according to claim 8, characterized in that, At least one of the gas-liquid separation pipe (300) and the liquid storage pipe (400) is connected through the baffle plate (200); or; The gas-liquid separation pipe (300) and the liquid storage pipe (400) are both located below the baffle plate (200). The baffle plate (200) is spaced apart from the inner wall of the working chamber (101) at both ends along its length direction, and the baffle plate (200) is connected to the inner wall of the working chamber (101) at both ends along its width direction.

10. The refrigerant handling apparatus according to any one of claims 1-6, characterized in that, It also includes a second filter unit (700), which is installed at the liquid inlet (410) of the liquid storage tube (400).

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